| hardening of the arteries: |
| | Common descriptive expression referring to a group of diseases (forms of arteriosclerosis) characterized by abnormal thickening and hardening (sclerosis) of arterial walls, in which the walls lose their elasticity. |
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| hematocrit: |
| | A measure that tells how many red blood cells are present in a blood sample. Low hematocrit suggests anemia or massive blood loss. |
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| hematoma: |
| | A semisolid mass of blood in the tissues caused by injury, disease or a clotting disorder. |
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| hematospermia: |
| | The condition of passing blood in the seminal fluid. |
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| hematuria: |
| | Blood in the urine, which can be a sign of a kidney stone or other urinary problem. Gross hematuria is blood that is visible to the naked eye. Microscopic hematuria cannot be seen but is detected on a urine test. |
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| hemihypertrophy: |
| | Rare condition in which one side of the body seems to grow faster than the other. |
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| heminephrectomies: |
| | Surgical removal of part of the kidney. |
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| heminephrectomy: |
| | Surgical removal of part of the kidney. |
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| hemodialysis: |
| | The use of a machine to clean wastes from the blood after the kidneys have failed. The blood travels through tubes to a dialyzer, which removes wastes
and extra fluid. The cleaned blood then flows through another set of tubes back into the body.
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| hemolytic uremic syndrome: |
| | Also referred to as HUS. A rare kidney disorder that mostly affects children under the age of 10. Often characterized by damage to the lining of blood vessel walls, destruction of red blood cells and/or kidney failure. |
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| hernia: |
| | Condition in which part of an internal organ projects abnormally through the wall of the cavity that contains it. |
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| hesitancy: |
| | Difficulty when starting the urine stream. An increase in length of time between initiation of urination by relaxation of the urethral sphincter and when urine stream actually begins. |
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| hidden penis: |
| | Also called concealed penis or buried penis. A normal-sized penis that lays hidden in the pubic fat pad. Often this penis can easily be exposed by gently pulling on it or pressing down on the surrounding fat pad. |
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| high blood pressure: |
| | Medical term is hypertension. |
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| high transverse septum: |
| | A thin membrane up high in an organism that lies crosswise. |
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| hilum: |
| | An opening through which blood vessels and nerves enter and leave an organ. |
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| histamine: |
| | A hormone transmitter involved in local immune response regulating stomach acid production and in allergic reactions. |
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| histology: |
| | A branch of anatomy concerned with the study of the microscopic structures of tissue. |
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| hormonal therapy: |
| | Treatments that add, block or remove hormones. |
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| hormone: |
| | A natural chemical produced in one part of the body and released into the blood to trigger or regulate particular functions of the body. Antidiuretic hormone tells the kidneys to slow down urine production. |
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| hormone therapy: |
| | Treatment that adds, blocks or removes hormones. |
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| horseshoe kidney: |
| | A rare condition where the kidneys fuse together at the lower end and form a "U" shape. |
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| HPV: |
| | Also known as human papilloma virus. One of the most common causes of sexually transmitted disease. |
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| human papilloma virus: |
| | Also known as HPV. One of the most common causes of sexually transmitted disease. |
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| hydrocele: |
| | A painless swelling of the scrotum caused by collection of fluid around the testicle. |
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| hydronephrosis: |
| | Swelling of the top of the ureter, usually because something is blocking the urine from flowing into or out of the bladder.
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| hydronephrotic: |
| | Having an abnormal enlargement of a kidney. |
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| hydrothorax: |
| | Collection of fluid (hydro) in the thoracic (chest) cavity. |
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| hydroureteronephrosis: |
| | Widened ureter/kidney collecting system. |
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| hymen: |
| | A thin mucous membrane that completely or partially covers the opening of the vagina. |
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| hyperaldosteronism: |
| | Syndrome associated with increased production of the hormone aldosterone, a hormone that controls sodium and potassium levels in the blood. |
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| hypercalciuria: |
| | Abnormally large amounts of calcium in the urine. |
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| hypercontinence: |
| | Excessive ability to prevent involuntary urination and bowel movements. |
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| hypercontractility: |
| | Excessive tightening/narrowing. |
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| hyperfiltration renal injury: |
| | When the remaining functional kidney tissue is less than that of one entire kidney, there is a risk that the function of that remaining kidney tissue will deteriorate over time. |
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| hypermobility: |
| | A condition characterized by the pelvic floor muscles no longer providing the necessary support to the urethra and bladder neck. As a result, the bladder neck drops when any downward pressure is applied and causes involuntary leakage. |
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| hypermobility: |
| | A term that is applied to the urethra. When the urethra becomes hypermobile it will drop from its normal position during physical activity and may result in stress urinary incontinence. |
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| hyperoxaluria: |
| | Unusually large amounts of oxalate in the urine, leading to kidney stones. |
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| hyperparathyroidism: |
| | Condition where the four pea-sized glands behind the thyroid gland at the front of your neck makes too much of the hormone called parathyroid hormone (PTH) that keeps the right levels of calcium in your blood and bones. |
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| hyperplasia: |
| | Excessive growth of normal cells of an organ. |
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| hyperreflexia: |
| | Any exaggeration of reflexes. In urinary incontinence, hyperreflexia is an involuntary bladder contraction resulting from a neurological disorder. |
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| hypertension: |
| | High blood pressure, which can be caused either by too much fluid in the blood vessels or by the narrowing of blood vessels. |
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| hypertensive: |
| | Having high blood pressure. |
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| hypertrophic scarring: |
| | Raised, red, thick and sometimes ropelike scar, which remains within the boundary of the injury. |
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| hypertrophy: |
| | When an organ increases to a size larger than normal. |
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| hyperuricosuria: |
| | Excess excretion of uric acid in the urine. |
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| hypospadias: |
| | A birth defect in which the opening of the urethra, called the urinary meatus, is on the underside of the penis instead of at the tip.
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| hypothalamus: |
| | The area of the brain that controls body temperature, hunger and thirst. |
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| hysterectomy: |
| | Surgical removal of the uterus. |
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